# Flat washers, M10 to M24 (ISO 7089 / DIN 125-A)

> What size washer goes with an M12 bolt?

- Category: Hardware › Fasteners
- Kind: Standard part
- Basis: ISO 7089 normal series: d1, d2, h
- Page: https://xemstudio.com/objects/flat-washers-metric-m10-m24/ · JSON: https://xemstudio.com/api/geometry?object=flat-washers-metric-m10-m24 · Plain text: https://xemstudio.com/objects/flat-washers-metric-m10-m24/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); linked files under their publishers' licenses
- Use in every chat: add https://xemstudio.com/mcp as a connector (https://xemstudio.com/use-with-ai/)

**Exact dimensions.** True size, with no printing tolerance added.

## Sizes

| thread | id_mm | od_mm | thickness_mm |
|---|---|---|---|
| M10 | 10.5 | 20 | 2.0 |
| M12 | 13.0 | 24 | 2.5 |
| M14 | 15.0 | 28 | 2.5 |
| M16 | 17.0 | 30 | 3.0 |
| M20 | 21.0 | 37 | 3.0 |
| M24 | 25.0 | 44 | 4.0 |

## Where the files are

- ISO: [ISO 7089 Plain washers, normal series](https://www.iso.org/standard/40159.html) — standard — ISO; dimensions are facts (verify at link)

## Free STEP/STL (6 parts, CC BY 4.0, Xem Studio)

Index: https://xemstudio.com/files/hardware/flat-washers-metric-m10-m24/index.json

- washer-m10: [STEP](https://xemstudio.com/files/hardware/flat-washers-metric-m10-m24/washer-m10.step) · [STL](https://xemstudio.com/files/hardware/flat-washers-metric-m10-m24/washer-m10.stl) — M10 flat washer: Ø10.5 × Ø20 × 2.0
- washer-m12: [STEP](https://xemstudio.com/files/hardware/flat-washers-metric-m10-m24/washer-m12.step) · [STL](https://xemstudio.com/files/hardware/flat-washers-metric-m10-m24/washer-m12.stl) — M12 flat washer: Ø13.0 × Ø24 × 2.5
- washer-m14: [STEP](https://xemstudio.com/files/hardware/flat-washers-metric-m10-m24/washer-m14.step) · [STL](https://xemstudio.com/files/hardware/flat-washers-metric-m10-m24/washer-m14.stl) — M14 flat washer: Ø15.0 × Ø28 × 2.5
- washer-m16: [STEP](https://xemstudio.com/files/hardware/flat-washers-metric-m10-m24/washer-m16.step) · [STL](https://xemstudio.com/files/hardware/flat-washers-metric-m10-m24/washer-m16.stl) — M16 flat washer: Ø17.0 × Ø30 × 3.0
- washer-m20: [STEP](https://xemstudio.com/files/hardware/flat-washers-metric-m10-m24/washer-m20.step) · [STL](https://xemstudio.com/files/hardware/flat-washers-metric-m10-m24/washer-m20.stl) — M20 flat washer: Ø21.0 × Ø37 × 3.0
- washer-m24: [STEP](https://xemstudio.com/files/hardware/flat-washers-metric-m10-m24/washer-m24.step) · [STL](https://xemstudio.com/files/hardware/flat-washers-metric-m10-m24/washer-m24.stl) — M24 flat washer: Ø25.0 × Ø44 × 4.0

## Questions

**M12 washer?**

Ø13 × Ø24 × 2.5.

## Fits with

- [Socket head cap screws, M10 to M24 (ISO 4762 / DIN 912)](https://xemstudio.com/objects/socket-head-cap-screws-metric-m10-m24/)
- [Hex head screws, M10 to M24 (ISO 4017 / DIN 933)](https://xemstudio.com/objects/hex-head-screws-metric-m10-m24/)
- [Hex nuts, M10 to M24 (ISO 4032 / DIN 934)](https://xemstudio.com/objects/hex-nuts-metric-m10-m24/)
- [Socket head cap screws, M2–M8 (ISO 4762 / DIN 912)](https://xemstudio.com/objects/socket-head-cap-screws-metric/)
- [Hex nuts, M2–M8 (ISO 4032)](https://xemstudio.com/objects/hex-nuts-metric/)